---
id: CVE-2026-86848
title: A flaw was found in DPDK lib/vhost vhost-crypto
summary: >-
  A flaw was found in DPDK lib/vhost vhost-crypto. The indirect-descriptor
  snapshot double-fetches a guest descriptor next index, allowing a malicious
  guest to cause an out-of-bounds access in the host backend.
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'
cwe:
  - CWE-367
published: '2026-10-14'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T20:18:00.127'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-86848'
references:
  - url: 'https://access.redhat.com/security/cve/CVE-2026-86848'
    label: secalert@redhat.com
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2529853'
    label: secalert@redhat.com
tags:
  - nvd
ingestedAt: '2026-10-14T18:47:39.319Z'
---

## Overview

A flaw was found in DPDK lib/vhost vhost-crypto. The indirect-descriptor snapshot double-fetches a guest descriptor next index, allowing a malicious guest to cause an out-of-bounds access in the host backend.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.